Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book



FIG. 1 is a front elevational view of an electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a left side elevational view thereof with the cover closed; and,

FIG. 9 is a bottom plan view thereof with the cover closed. 

The ornamental design for an electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book, as shown and described. 